Casing for spectacle frame hinge



FIG. 1 is a perspective view of the casing for spectacle frame hinge in accordance with my new design;

FIG. 2 is a top view thereof;

FIG. 3 is a right symmetrical view thereof;

FIG. 4 is a front view thereof; and,

FIG. 5 is an overall view for which only the protection of the casing for spectacle frame hinge is claimed; and,

FIG. 6 is a partial perspective view for which only the casing for spectacle frame hinge is claimed.

The broken line showing of the spectacles and frame is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a casing for spectacle frame hinge, as shown and described. 